Connected Vertex-Edge Dominating Sets and Connected Vertex-Edge Domination Polynomials of Friendship F_n
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Abstract
Let be a simple connected graph of order Let be the family of connected vertex-edge dominating sets in with cardinality .The polynomial is called the connected vertex - edge domination polynomial of G, where is the number of connected vertex - edge dominating sets of G. In this paper, we study some properties of connected vertex-edge domination polynomials of the Friendship graph . We obtain a recursive formula for . Using this recursive formula, we construct the connected vertex - edge domination polynomial of , where is the number of the connected vertex - edge dominating sets of of cardinality and some properties of this polynomial have been studied.
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